java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/Pdr/oneLoopSafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:47,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:47,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:47,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:47,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:47,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:47,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:47,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:47,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:47,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:47,812 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:47,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:47,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:47,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:47,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:47,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:47,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:47,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:47,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:47,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:47,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:47,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:47,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:47,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:47,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:47,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:47,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:47,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:47,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:47,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:47,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:47,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:47,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:47,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:47,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:47,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:47,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:47,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:47,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:47,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:47,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:47,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:47,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:47,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:47,894 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:47,895 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:47,896 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/Pdr/oneLoopSafe.bpl [2019-08-06 16:59:47,897 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/Pdr/oneLoopSafe.bpl' [2019-08-06 16:59:47,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:47,931 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:47,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:47,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:47,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:47,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "oneLoopSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:47" (1/1) ... [2019-08-06 16:59:47,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "oneLoopSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:47" (1/1) ... [2019-08-06 16:59:47,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "oneLoopSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:47" (1/1) ... [2019-08-06 16:59:47,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "oneLoopSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:47" (1/1) ... [2019-08-06 16:59:47,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "oneLoopSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:47" (1/1) ... [2019-08-06 16:59:47,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "oneLoopSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:47" (1/1) ... [2019-08-06 16:59:47,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "oneLoopSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:47" (1/1) ... [2019-08-06 16:59:47,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:47,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:47,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:47,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:47,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "oneLoopSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-06 16:59:48,061 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:59:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:59:48,062 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:59:48,290 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:48,290 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:48,292 INFO L202 PluginConnector]: Adding new model oneLoopSafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:48 BoogieIcfgContainer [2019-08-06 16:59:48,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:48,293 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:48,293 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:48,293 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:48,294 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "oneLoopSafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:48" (1/1) ... [2019-08-06 16:59:48,306 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:48,309 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:48,316 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:59:48,325 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:48,327 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:59:48,412 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:48,412 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:48,415 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 15#(and (not (< main_x 1)) (or (= 1 (+ main_x (- 1))) (= 0 (+ main_x (- 1)))) (< main_x 2) (not (= main_x 1))) [2019-08-06 16:59:48,416 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:48,423 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:48,426 INFO L168 Benchmark]: Toolchain (without parser) took 494.38 ms. Allocated memory is still 141.0 MB. Free memory was 109.6 MB in the beginning and 93.7 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:48,428 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:48,429 INFO L168 Benchmark]: Boogie Preprocessor took 52.26 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:48,431 INFO L168 Benchmark]: RCFGBuilder took 307.20 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 98.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:48,432 INFO L168 Benchmark]: Symbolic Interpretation took 131.15 ms. Allocated memory is still 141.0 MB. Free memory was 98.4 MB in the beginning and 93.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:48,436 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 13]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.26 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 307.20 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 98.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 131.15 ms. Allocated memory is still 141.0 MB. Free memory was 98.4 MB in the beginning and 93.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...